Faculty Directory

Low Dose Ionizing Radiation Modulates Immune Function DOE Low Dose Program. $1.1M Project Period: 7/1/2009 – 6/30/2012 Principal Investigator: G. Nelson, Ph.D. Loma Linda University Role: Principal Investigator. ( 3/2009 - 12/2012 )

Epigenetic Control of Radiogenic Damage Processing in C. elegans NASA Grant #: NNX08AC79G/Basic $847,623 Project Period: 01/01/2008 – 12/31/2011 Role: Principal Investigator ( 1/2008 - 6/2012 )

Charged Particle Radiation and Resultant Oxidative Stress Elicit Deleterious Functional Changes in the Central Nervous System NASA NSCOR Grant. $7.7M Project Period: 01/01/2010 – 12/31/2014. Role: Principal Investigator ( 9/2010 - 12/2011 )

This is a 5-y program project led by LLU in collaboration with U. Cal. Irvine, U.Cal. San Francisco, U. Cal. LA, & oregon Health & Science University.

Title: Progressive Alterations of Central Nervous System Structure and Function are Caused by Charged Particle Radiation NASA Grant #: NNJ04HC90G/Basic $9.98M Project Period: 01/05/2004 – 11/30/2009. Role: Principal Investigator ( 1/2004 - 11/2009 )

Progressive alterations of central nervous system structure and function are caused by charged particle radiation. ( 10/2003 - 9/2009 )

Cooperative Research in Proton Space Radiation ( 10/2004 - 9/2005 )

Funded Research Project (CI)

Space Radiation and Bone Loss: Lunar Outpost Mission Critical Scenarios and Countermeasures. National Space Biomedical Research Institute Grant # BL 01302 Project Period 10/1/07 – 9/30/2011 Principal Investigator: Ted. A. Bateman, Ph.D., Clemson University Role: Co-Investigator ( 10/2007 - 12/2011 )

Title: Cooperative Research Agreement on Proton Space Radiation NASA Grant #: NNJ06HD78A Project Period: 10/01/2006 – 9/30/2009 $3.69M Principal Investigator: J.M. Slater, M.D. Role: Co-Investigator ( 10/2006 - 9/2009 )

Cooperative Research in Proton Space Radiation - Cooperative Research Agreement, External Funding by NASA. ( 10/2005 - 9/2007 )

Low Dose Gamma Irradiation Potentiates Secondary Exposure to Gamma Rays or Proton in Thyroid Tissue Analogs ( 7/2004 - 6/2005 )

Response of Thyroid Functional Tissue Units to Space-like Radiation Fields ( 7/2004 - 6/2005 )

Non-Invasive Assessment of Neuropathology Following CNS Radiation Exposure ( 7/2004 - 6/2005 )

Abstracts Reporting Research -- Peer Reviewed

Nelson, GA . "A Brief Review of High LET Radiation on the Central Nervous System." Abstract Book . (2007): 2-2. ( 7/2007 )

Nelson, GA . "A Brief Review of High LET Radiation on the Central Nervous System." 18th Annual NASA Space Radiation Investigators Workshop, Abstract Book . (2007): 2-2. ( 7/2007 )

Nelson, GA . "Heavy Ion Effects on the Central Nervous System." International Congress of Radiation Research, Abstract Book . (2007): S14.4-S14.4. ( 7/2007 )

Obenaus, A, Vlkolinsky, Nelson, G, Krucker, T, and I Spigelman . "Alterations in Hippocampal Electrophysiological Characteristics and Development of Hyperexcitability after 56Fe Radiation Exposure." European Winter Conference on Brain Research, Abstract Book . (2007): 1-1. ( 3/2007 )

 Cummings, P, Obenaus, A, Heffron, D, Nelson, G and JW Mandell. "High Energy (HZE) Radiation Exposure Causes Axonal Degeneration and Astrogliosis in the Central Nervous System of Mice." American Society for Gravitational and Space Biology Newsletter . (2006): 1-1. ( 11/2006 )

 Vlkolinsky, R, Nelson, GA, Krucker, T and A Obenaus . "Effect of 56Fe Radiation on Age-related Impairment of Synaptic Transmission in Mice Expressing Human APP23." Society for Neuroscience Meeting Abstract Booj . (2006): 271.15/KK16-271.15/KK16. ( 10/2006 )

Akselrod, M., NELSON, G., Benton, E.R. and N. Yasuda . "A Novel Fluorescent Nuclear Track Detector with Application to Radiobiology and Space Dosimetry." 4th International Workshop on Space Radiation Research . (2006): Abs-. ( 6/2006 )

Obenaus, A., Lamp, T., Smith, A., NELSON, G., Vlkolinsy, R and T. Krucker . "Altered Neuronal Plasticity following 56Fe Irradiation." 4th International Workshop on Space Radiation Research . (2006): Abs- . ( 6/2006 )